LAWYER PROFILE

Jonathan Parker

Global 2026

Latham & Watkins

Ranked in 1 practice area

Competition Law

7 years ranked

About

Provided by Latham & Watkins

Practice Areas

Jonathan Parker is a partner in the Antitrust & Competition Practice in Latham & Watkins’ London office focusing on European and UK competition law.

He advises clients on a wide range of EU and UK competition issues, including mergers and acquisitions, market studies, cartels/restrictive agreements, and abuse of dominance cases.

Prior to joining Latham, Jonathan worked as a Legal Director and Director of Mergers at the UK Competition and Markets Authority (CMA). He is renowned in the market for deploying his considerable experience and institutionalized thinking on UK merger control matters.

He is a member of the Competition Law Committee of the City of London Law Society.

Chambers Review

Provided by Chambers

Chambers Global Guide

Competition Law - UK

Band 2

Individual Editorial

Jonathan Parker moves up in the rankings on the back of his work in merger clearance mandates, including representing clients in phase II investigations before the CMA. In addition to his strength in merger notification reviews, he also advises clients on CMA investigations into possible breaches of competition law.

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Strengths

Provided by Chambers

Jonathan Parker is an extremely pragmatic and responsive, with an in-depth knowledge of UK competition law. He is our go-to person for complex matters. We highly recommend him.
Competition LawChambers Global Guide
Jonathan Parker is very intelligent and has a great understanding of the commercial dynamics in our industry.
Competition LawChambers Global Guide
Jonathan Parker is very strong on UK mergers with an unparalleled knowledge of process and the likely concerns of an agency.
Competition LawChambers Global Guide
He understands complexities in deals and the commercial context.
Competition LawChambers Global Guide
Jonathan Parker is an absolute star, working with him is a joy. He's so experienced and so spot-on.
Competition LawChambers Global Guide

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